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Subject:

2004 GRC Conference: The Role of Water in Rock Deformation

From:

Mark Jessell <[log in to unmask]>

Reply-To:

Metamorphic Studies Group <[log in to unmask]>

Date:

Tue, 4 Nov 2003 12:04:34 +0100

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (152 lines)

The upcoming Gordon Research Conference on Rock Deformation will highlight 
the "Role of Water in Rock Deformation."

This conference will be held at Mount Holyoke College (South Hadley, 
Massachusetts) August 8-13, 2004 and will be preceded by a field trip 
examining outcrops with evidence of fluid-assisted deformation.

The dynamic nature of the solid Earth depends in large part on 
interactions with fluids.  Just as water facilitates mass transport, 
speeds up reaction kinetics, and promotes melting of silicates, water 
assists in the fracture, friction, and flow of rocks.  Stresses required 
for deformation are depressed by a number of fluid-rock interactions with 
implications for tectonics, slip and stability of faults, diagenesis, and 
creep in the mantle.  This conference is intended to examine advances in 
our understanding of water weakening, fluid-rock interactions and hydrous 
defects, and to explore the consequences for mechanical properties of 
offshore sediments, faults, lithosphere, and deep mantle of a wet Earth.

The goal of the 2004 Gordon Conference on Rock Deformation will be to 
examine new developments in our understanding of the fundamental processes 
by which water influences mechanical properties of rocks and the geologic 
and geophysical implications of water weakening.  This conference will 
feature 21 talks by leading scientists in fields of rock mechanics, 
tectonics, geochemistry, petrology, mineral physics, and materials 
science, who will speak to advances in our understanding of water 
weakening mechanisms, the occurrence of fluids in the Earth, fluid 
interactions with rocks, and applications to deformation in the Earth.  
These talks will serve to initiate discussion, both in formal sessions and 
during afternoons that are reserved for the free exchange of ideas.  Two 
poster sessions are scheduled to allow all participants to present their 
latest results and ideas.  We invite participation by observational, 
experimental, and theoretical geoscientists from academia, government 
labs, and industry, and especially by students and postdocs who will carry 
out future investigations of the questions raised in discussion.

A field trip highlighting fluid-assisted deformation will be organized and 
led by Drs. Scott Johnson and Charles Guidotti (University of Maine) and 
Mike Williams and Michelle Cooke (University of Massachusetts), just prior 
to this Gordon Conference.

This conference will announced in one of the February issues of Science.  
If you are interested in attending, please apply early as this conference 
will be limited to 135 participants.  Applications to attend can be made 
on-line at:

        http://www.grc.org/attend.htm

Updates and scheduling of this conference and field trip will be posted at:

        http://www.tectonique.net/grc/

and additional information can obtained directly from GRC at:

        http://www.grc.org/

Mount Holyoke College is easy to reach by way of Logan Airport, Boston, 
Massachusetts.  GRC-Chartered Buses take participants from Logan Airport 
directly to the Mount Holyoke Campus.  Information about the campus, GRC 
Bus Schedules, and other travel arrangements can be found at:

        http://www.grc.org/sites/ma/mhc/mhc.htm

For further questions about this conference, please feel free to e-mail 
the Chairs, Andreas Kronenberg (Texas A&M University) at

[log in to unmask], or

Mark Jessell (Universite Paul-Sabatier, Toulouse) at

     [log in to unmask]

The field trip is optional but will surely contribute to participants 
beginning the conference with first hand observations.  Registration and 
payment for the field trip will be separate from the Gordon Conference.

Conference Schedule:

Sunday Evening
Rheological Structure of the Lithosphere and Water Weakening
        Water and the Oceanic Lithosphere (Greg Hirth)
        Water and Structure of Continental Lithosphere (James Jackson)

Monday Morning
Surface Hydration, Fluid Films, Solute Transport and Deformation
        Fracture and Frictional Wear in Vacuum and Corrosive Environments (J 
Thomas Dickinson)
        The Fluid-Crystal Interface and Character of Thin Fluid Films (Jacob 
Israelachvili)
        Mineral-Fluid Interface and Kinetics of Dissolution and Precipitation 
(Susan Brantley)
        Diffusive Mass Transport and Creep in Porous Rocks (Francois Renard)

Monday Evening
Poster Session
        The Sources, Distribution and Character of Fluids, Fluid Transport, 
and Hydrous  Defects

Tuesday Morning
Fluids and Deformation at Collisional Boundaries
        Fluid Pathways and Slip on Decollements of Accretionary Prisms (J. 
Casey Moore)
        Deformation and Crack Sealing in Collisional Environments (Don Fisher)
        Hydrous Phases and Deformation in Subduction Zones (Brad Hacker)
        Dehydration and Seismicity of Subducting Lithosphere (Simon Peacock)

Tuesday Evening
Fluids, Diagenesis and Deformation of Sediments
        Scales of Fluid Flow and Diagenesis in Sedimentary Basins (Lori Summa)
        Overpressure, Deformation of Marine Sediments and Slope Failure 
(Brandon Dugan)

Wednesday Morning
Fluids and Deformation in Fault Zones
        Fluid Pressures and Transport in Active Fault Zones (Mark Zoback)
        Heating, Weakening and Melting of Wet Fault Gouge during Earthquake 
Slip (Jim Rice)
        Sources of Fluids and Controls on Mineral Growth and Dissolution in 
Faults (Bob Wintsch)
        Diffusion, Isotopic Exchange, and Creep of Mylonites (John Farver)

Wednesday Evening
Poster Session
        The Coupling of Fluids with Fracture, Friction, and Flow of Rocks

Thursday Morning
Water Weakening and Creep in the Middle to Lower Crust
        Water Weakening of Crustal Silicates (Jan Tullis)
        Models of Dislocations and Water Defects in Crystalline Solids 
(Malcolm Heggie)
        Distributions of Water in Metamorphosed and Deformed Rocks and Thin 
Films at Grain Boundaries (Satoru Nakashima)

Thursday Evening
Water Weakening and Creep in the Mantle
        The Hydrous Component and Deformation of the Upper Mantle and 
Transition Zone (Jannick Ingrin)
        Whole Mantle Convection and the Hydrous Component (Shun Karato)

best wishes

Andreas Kronenberg & Mark Jessell

-- 
Mark Jessell
Laboratoire des Mécanismes et Transferts en Géologie
Université Paul-Sabatier, 38 rue des Trente-six Ponts
31400 Toulouse cedex - FRANCE
tel (33) (0)5 61 55 84 04  Fax: (33) (0)5 61 52 05 44

Home Page http://www.tectonique.net/mark/
Gordon Conference http://www.tectonique.net/grc/

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